Nagpur road plan formulae take into account the towns with very large population.

Nagpur road plan has a target road length of 32 km per 100 square km.

Second 20-year plan has provided 1600 km of expressways out of the proposed National highway.

Second 20-year plan allowed deduc-tion of length of railway track in the area while calculating the length of roads.

reconnaissance, map study, preli-minary survey and detailed survey

map study, preliminary survey, recon-naissance and detailed survey

map study, reconnaissance, prelimi-nary survey and detailed survey

preliminary survey, map study, recon-naissance and detailed survey

straight line

parabolic

elliptical

combination of straight and parabolic

1 in 30

1 in 36

1 in 48

1 in 60

total reaction time of driver

speed of vehicle

efficiency of brakes

all of these